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On the Surface

Surface science examines how surfaces react with each other at the molecular level. The atoms at the surface are different than those atoms in the center of an object, making the atoms much more reactive than those inside. This program explores a variety of real world applications of this particular property.

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Mysterious Ball Lightning
This video shows many different incidents of ball lightning. Ball lightning may be an atmospheric electrical phenomenon, the physical nature of which is still controversial. The term refers to reports of luminous, usually spherical objects which vary from pea-sized to several meters in diameter. It is sometimes associated with thunderstorms, but unlike lightning flashes, which last only a fraction of a second, ball lightning reportedly lasts many seconds. Video is set to music and no words are s
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Gas Exchange
This is a brief (56 seconds) video using computer animation that discusses how air is exchanged in the lungs. Good sound quality.
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Flight over the Surface of the Sun
This brief video clip shows a simulated flight over the surface of the Sun, courtesy of the Hubble team.  No sound.  16 seconds.
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Brazil Part 8: Feijoada, Brazil's National Dish
For recipes, visit www.ciaprochef.com/WCA Any discussion of Brazil's iconic dishes is incomplete without an in-depth look at the country's national dish- feijoada completa. Feijoada is more than just a bean stew... it is a cultural rite of passage. Opting for a taste of carioca style feijoada, we travel to Ipanema to pay a visit to a true Rio classic - Chef Gilberto Araújo's Casa da Feijoada. Many legends mistakenly attribute feijoada to the slave kitchen, but the Portuguese consumed feijoada
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The Policy-Making Cycle
This video is accompanied by text. "Political socialization is the process by which people learn and form opinions about government and politics. This process typically begins at home, where children overhear their parents talking about political issues, concerns, and politicians. Most people can probably recall a time when they heard their parents or other adults praising or ranting about a politician. The things that are said, both good and bad, influence how young minds perceive government an
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Valentine's Day Song
The video starts by counting 10 hearts, then sings a valentine song to the tune of "One Little Indian."  Hearts are on a felt board while the teacher sings. Various shapes are also taught between the song.This video is really great for small children to catch on to.

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Women in Politics
A three minute video highlighting some of the most important women in American politics. Needs more background to be of more value. Just a selection of sound bites, but good insights.

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How to Paint Roses
Marjorie Harris shares her freehanding method of painting roses. Marjorie uses decorative painting methods and her fine art training to quickly paint roses. After several seconds of silence after her introduction, the artist proceeds to explain her steps. (4;29)
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Paris Peace Conference - 1919
The video shows footage of the time. You can see who the leaders of the peace conference were and what they wanted. There are images of destroyed cities. The main aims of the winners are listed. Wilson's suggestions are explained. Post war politics in Germany is explained and the role of communism. There is reference to the way in which the leaders drew the map of Europe anew. There is a map shown. There is an account of the main terms of the The Treaty of Versailles.
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Third Parties
While the American system of politics has generally been defined as a two-party system, occasionally a third party emerges, influencing elections and siphoning important votes from the major parties. Third parties often begin as single-issue parties that oppose or promote a certain social, economic, or political topic. For example, the Republican Party formed in the 1850’s as a third party in opposition to slavery. Similarly, in 2000, Ralph Nader formed the Green Party that focused on environm
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Incumbency
While the president is limited to serving two terms in office, members of Congress can serve an unlimited number of terms. In the mid-nineteenth century, most congressional representatives served only a single term because at that time politics was not considered a career. However, by the mid-twentieth century, congressional representatives began to view holding congressional office as a prestigious career.  (Video is narrated with slides and speeches.)

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Radish seeds sprouting: time lapse
A great example of germination.  This time lapse video shows how radish plants go from seeds, to seedlings, to plants in just nine days. Amazing how fast the radishes grew. Time lapse sequence set to take a frame each 14 minutes 24 seconds. The time lapse spans 9 days. Two 90 watt compact floresecent lights where used for both the camera shooting light and the grow lights. The lights were set on a timer for 18 hours on and 6 off (for the health of the plants). The jump in the video is the 6 hou
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From Seed to Flower
The growth and development of a plant is one of the most spectacular events in nature. Yet, because it happens so slowly, over the course of days or weeks, it is difficult to observe in real time. This video segment depicts plant growth in time-lapse format, allowing the viewer to observe in just a few seconds some of the most important life stages of a plant, from germination to the formation of a flower, and several phases in between. Footage from NOVA: "The Shape of Things." Set to music.  N
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The Reconstructed South
This video is accompanied by text. "The postwar South, where most of the fighting had occurred, faced many challenges. In the war’s aftermath, Southerners experienced collapsed property values, damaged railroads, and agricultural hardships. The elite planters were faced with overwhelming economic adversity perpetuated by a lack of laborers for their fields. However, it was the newly freed slaves in the former Confederate states that faced the greatest challenge: what to do with their newfound
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The Emancipation Proclamation
This video is accompanied by text. "Although President Lincoln had a reputation for being an abolitionist, his political record indicated this label was not completely accurate. Lincoln focused his political stance regarding slavery on the prevention of its spread into the territories. After becoming president he initially resisted laws by the federal government called the Confiscation Acts that pushed the Union toward abolition. The first of these acts, the Confiscation Act of 1861, approved on
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California is Admitted as a Free State
This video is accompanied by text. "In January 1848, gold was discovered on property belonging to John Sutter in the Sierra Nevada foothills of northern California. Sutter tried to keep the discovery secret, but word leaked out shortly after the Treaty of Guadalupe-Hidalgo was ratified. An estimated 100,000 “Forty-niners” from around the globe flocked to the gold fields the following year alone. Seemingly overnight, San Francisco grew from fewer than 1,000 residents to a major port city of 2
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The First Mobilization of the Civil War
This video is accompanied by text. "The artillery shells fired by Confederate soldiers on Fort Sumter, which was still federal property and controlled by U.S. military forces, marked the start of the Civil War. Lincoln shifted his attention from finding a peaceful end to the North-South conflict, to mobilizing military forces to defend the United States from the Confederates, whom he now considered enemy aggressors. On April 15, 1861, three days after the barrage of shells rained down on Fort Su
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Animal Farm
The video is an animated movie about barn animals acting  out human faults in life and politics. This captivating animation is based on Orwell's classic tale, 'Animal Farm'.

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Bellhop #14
A bellhop has to carry very heavy bags to Room #14 in this classic video. (For a couple of seconds, the video is blurry.)
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